Perhaps you should try some spelling variations:
thanh cung » thanh cuong, thanh cong, thanh tung
dung cong » dung trong
bang cong » dang cong, bang song, hang cong
ho trieu » mot trieu, 25 trieu, 30 trieu
cung cap » trung cap
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho trieu tinh - thanh cung cap ((dung cong) or (bang cong)) dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - thanh cung cap ((dung cong) OR (bang cong)) dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - thanh cung cap ((dung cong) or (bang cong)) dan toan cao*.